<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <script>
    // let name=prompt("请输入您的名字")
    // let  s=prompt("请输入您的年龄")
    // document.write('大家好我叫${name}会${s}哈哈哈')


    let num1= +prompt("请输入数字1")
    let num2= +prompt("请输入数字2")
    document.write(numl+num2)

  </script>
</body>
</html> 